Double towel bar



FIG. 1 is a perspective view of a double towel bar showing a new design;

FIG. 2 is a front view of the double towel bar of FIG. 1;

FIG. 3 is a side view of the double towel bar of FIG. 1;

FIG. 4 is a rear view of the double towel bar of FIG. 1;

FIG. 5 is a top view of the double towel bar of FIG. 1; and,

FIG. 6 is a bottom view of the double towel bar of FIG. 1.

The components of the display shown in broken lines illustrate portions of the double towel bar which form no part of the claimed design. 

CLAIM The ornamental design for a double towel bar, as shown and described. 